media/mtp/tests/MtpFuzzer/MtpMockDatabase.cpp - platform/frameworks/av - Git at Google

 /*
  * Copyright (C) 2020 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */

 #include <stdlib.h>
 #include <string.h>
 #include <sys/stat.h>

 #include <string>

 #define LOG_TAG "MtpFuzzer"

 #include <log/log.h>

 #include "MtpDebug.h"
 #include "MtpMockDatabase.h"
 #include "MtpObjectInfo.h"

 namespace android {

 MtpMockDatabase::MtpMockDatabase() : mLastObjectHandle(0) {}

 MtpMockDatabase::~MtpMockDatabase() {
     for (MtpObjectInfo* i : mObjects) {
         delete i;
     }
     mObjects.clear();
 }

 void MtpMockDatabase::addObject(MtpObjectInfo* info) {
     assert(hasStorage(info->storageID));

     // we take ownership
     mObjects.push_back(info);

     return;
 }

 MtpObjectHandle MtpMockDatabase::allocateObjectHandle() {
     // this is in sync with our mObjects database
     return mLastObjectHandle++;
 }

 // Called from SendObjectInfo to reserve a database entry for the incoming file.
 MtpObjectHandle MtpMockDatabase::beginSendObject(const char* path, MtpObjectFormat format,
                                                  MtpObjectHandle parent, MtpStorageID storage) {
     if (!hasStorage(storage)) {
         ALOGW("%s: Tried to lookup storageID %u, but doesn't exist\n", __func__, storage);
         return kInvalidObjectHandle;
     }

     ALOGD("MockDatabase %s: path=%s oformat=0x%04x parent_handle=%u "
           "storage_id=%u\n",
           __func__, path, format, parent, storage);

     return mLastObjectHandle;
 }

 // Called to report success or failure of the SendObject file transfer.
 void MtpMockDatabase::endSendObject(MtpObjectHandle handle, bool succeeded) {
     ALOGD("MockDatabase %s: ohandle=%u succeeded=%d\n", __func__, handle, succeeded);
 }

 // Called to rescan a file, such as after an edit.
 void MtpMockDatabase::rescanFile(const char* path, MtpObjectHandle handle, MtpObjectFormat format) {
     ALOGD("MockDatabase %s: path=%s ohandle=%u, oformat=0x%04x\n", __func__, path, handle, format);
 }

 MtpObjectHandleList* MtpMockDatabase::getObjectList(MtpStorageID storageID, MtpObjectFormat format,
                                                     MtpObjectHandle parent) {
     ALOGD("MockDatabase %s: storage_id=%u oformat=0x%04x ohandle=%u\n", __func__, storageID, format,
           parent);
     return nullptr;
 }

 int MtpMockDatabase::getNumObjects(MtpStorageID storageID, MtpObjectFormat format,
                                    MtpObjectHandle parent) {
     ALOGD("MockDatabase %s: storage_id=%u oformat=0x%04x ohandle=%u\n", __func__, storageID, format,
           parent);
     // TODO: return MTP_RESPONSE_OK when it stops segfaulting
     return 0;
 }

 // callee should delete[] the results from these
 // results can be NULL
 MtpObjectFormatList* MtpMockDatabase::getSupportedPlaybackFormats() {
     ALOGD("MockDatabase %s\n", __func__);
     return nullptr;
 }
 MtpObjectFormatList* MtpMockDatabase::getSupportedCaptureFormats() {
     ALOGD("MockDatabase %s\n", __func__);
     return nullptr;
 }
 MtpObjectPropertyList* MtpMockDatabase::getSupportedObjectProperties(MtpObjectFormat format) {
     ALOGD("MockDatabase %s: oformat=0x%04x\n", __func__, format);
     return nullptr;
 }
 MtpDevicePropertyList* MtpMockDatabase::getSupportedDeviceProperties() {
     ALOGD("MockDatabase %s\n", __func__);
     return nullptr;
 }

 MtpResponseCode MtpMockDatabase::getObjectPropertyValue(MtpObjectHandle handle,
                                                         MtpObjectProperty property,
                                                         MtpDataPacket& packet) {
     ALOGD("MockDatabase %s: ohandle=%u property=%s\n", __func__, handle,
           MtpDebug::getObjectPropCodeName(property));
     return MTP_RESPONSE_OK;
 }

 MtpResponseCode MtpMockDatabase::setObjectPropertyValue(MtpObjectHandle handle,
                                                         MtpObjectProperty property,
                                                         MtpDataPacket& packet) {
     ALOGD("MockDatabase %s: ohandle=%u property=%s\n", __func__, handle,
           MtpDebug::getObjectPropCodeName(property));
     return MTP_RESPONSE_OK;
 }

 MtpResponseCode MtpMockDatabase::getDevicePropertyValue(MtpDeviceProperty property,
                                                         MtpDataPacket& packet) {
     ALOGD("MockDatabase %s: property=%s\n", __func__, MtpDebug::getDevicePropCodeName(property));
     return MTP_RESPONSE_OK;
 }

 MtpResponseCode MtpMockDatabase::setDevicePropertyValue(MtpDeviceProperty property,
                                                         MtpDataPacket& packet) {
     ALOGD("MockDatabase %s: property=%s\n", __func__, MtpDebug::getDevicePropCodeName(property));
     return MTP_RESPONSE_OK;
 }

 MtpResponseCode MtpMockDatabase::resetDeviceProperty(MtpDeviceProperty property) {
     ALOGD("MockDatabase %s: property=%s\n", __func__, MtpDebug::getDevicePropCodeName(property));
     return MTP_RESPONSE_OK;
 }

 MtpResponseCode MtpMockDatabase::getObjectPropertyList(MtpObjectHandle handle, uint32_t format,
                                                        uint32_t property, int groupCode, int depth,
                                                        MtpDataPacket& packet) {
     ALOGD("MockDatabase %s: ohandle=%u format=%s property=%s groupCode=%d "
           "depth=%d\n",
           __func__, handle, MtpDebug::getFormatCodeName(format),
           MtpDebug::getObjectPropCodeName(property), groupCode, depth);
     return MTP_RESPONSE_OK;
 }

 MtpResponseCode MtpMockDatabase::getObjectInfo(MtpObjectHandle handle, MtpObjectInfo& info) {
     ALOGD("MockDatabase %s: ohandle=%u\n", __func__, handle);

     // used for the root
     if (handle == kInvalidObjectHandle) {
         return MTP_RESPONSE_INVALID_OBJECT_HANDLE;
     } else {
         if (mObjects.size() == 0) {
             return MTP_RESPONSE_INVALID_OBJECT_HANDLE;
         }

         // this is used to let the fuzzer make progress, otherwise
         // it has to brute-force a 32-bit handle
         MtpObjectHandle reducedHandle = handle % mObjects.size();
         MtpObjectInfo* obj = mObjects[reducedHandle];

         // make a copy, but make sure to maintain ownership of string pointers
         info = *obj;

         // fixup the response handle
         info.mHandle = handle;

         if (obj->mName) info.mName = strdup(obj->mName);
         if (obj->mKeywords) info.mKeywords = strdup(obj->mKeywords);

         return MTP_RESPONSE_OK;
     }
 }

 void* MtpMockDatabase::getThumbnail(MtpObjectHandle handle, size_t& outThumbSize) {
     ALOGD("MockDatabase %s: ohandle=%u\n", __func__, handle);

     size_t allocSize = handle % 0x1000;
     void* data = calloc(allocSize, sizeof(uint8_t));
     if (!data) {
         return nullptr;
     } else {
         ALOGD("MockDatabase %s\n", __func__);
         outThumbSize = allocSize;
         return data;
     }
 }

 MtpResponseCode MtpMockDatabase::getObjectFilePath(MtpObjectHandle handle,
                                                    MtpStringBuffer& outFilePath,
                                                    int64_t& outFileLength,
                                                    MtpObjectFormat& outFormat) {
     ALOGD("MockDatabase %s: ohandle=%u\n", __func__, handle);

     if (mObjects.size() == 0) {
         return MTP_RESPONSE_INVALID_OBJECT_HANDLE;
     }

     // this is used to let the fuzzer make progress, otherwise
     // it has to brute-force a 32-bit handle
     MtpObjectHandle reducedHandle = handle % mObjects.size();
     MtpObjectInfo* obj = mObjects[reducedHandle];
     MtpStorage* storage = mStorage[obj->mStorageID];

     // walk up the tree to build a full path of the object
     MtpObjectHandle currentHandle = reducedHandle;
     std::string path = "";

     while (currentHandle != MTP_PARENT_ROOT) {
         MtpObjectInfo* next = mObjects[currentHandle];

         // prepend the name
         if (path == "")
             path = std::string(next->mName);
         else
             path = std::string(next->mName) + "/" + path;

         currentHandle = next->mParent;
     }

     outFilePath.set(storage->getPath());
     outFilePath.append("/");
     outFilePath.append(path.c_str());

     outFormat = obj->mFormat;

     ALOGD("MockDatabase %s: get file %s\n", __func__, (const char*)outFilePath);

     struct stat sstat;
     // this should not happen unless our database view of the filesystem is out of
     // sync
     if (stat((const char*)outFilePath, &sstat) < 0) {
         ALOGE("MockDatabase %s: unable to stat %s\n", __func__, (const char*)outFilePath);

         return MTP_RESPONSE_INVALID_OBJECT_HANDLE;
     }

     outFileLength = sstat.st_size;

     return MTP_RESPONSE_OK;
 }

 int MtpMockDatabase::openFilePath(const char* path, bool transcode) {
     ALOGD("MockDatabase %s: filePath=%s transcode=%d\n", __func__, path, transcode);
     return 0;
 }

 MtpResponseCode MtpMockDatabase::beginDeleteObject(MtpObjectHandle handle) {
     ALOGD("MockDatabase %s: ohandle=%u\n", __func__, handle);
     return MTP_RESPONSE_OK;
 }
 void MtpMockDatabase::endDeleteObject(MtpObjectHandle handle, bool succeeded) {
     ALOGD("MockDatabase %s: ohandle=%u succeeded=%d\n", __func__, handle, succeeded);
     return;
 }

 MtpObjectHandleList* MtpMockDatabase::getObjectReferences(MtpObjectHandle handle) {
     ALOGD("MockDatabase %s: ohandle=%u\n", __func__, handle);
     return nullptr;
 }

 MtpResponseCode MtpMockDatabase::setObjectReferences(MtpObjectHandle handle,
                                                      MtpObjectHandleList* references) {
     ALOGD("MockDatabase %s: ohandle=%u\n", __func__, handle);
     return MTP_RESPONSE_OK;
 }

 MtpProperty* MtpMockDatabase::getObjectPropertyDesc(MtpObjectProperty property,
                                                     MtpObjectFormat format) {
     ALOGD("MockDatabase %s: property=%s format=%s\n", __func__,
           MtpDebug::getObjectPropCodeName(property), MtpDebug::getFormatCodeName(format));

     return nullptr;
 }

 MtpProperty* MtpMockDatabase::getDevicePropertyDesc(MtpDeviceProperty property) {
     ALOGD("MockDatabase %s: property=%s\n", __func__, MtpDebug::getDevicePropCodeName(property));
     return nullptr;
 }

 MtpResponseCode MtpMockDatabase::beginMoveObject(MtpObjectHandle handle, MtpObjectHandle newParent,
                                                  MtpStorageID newStorage) {
     ALOGD("MockDatabase %s: ohandle=%u newParent=%u newStorage=%u\n", __func__, handle, newParent,
           newStorage);
     return MTP_RESPONSE_OK;
 }

 void MtpMockDatabase::endMoveObject(MtpObjectHandle oldParent, MtpObjectHandle newParent,
                                     MtpStorageID oldStorage, MtpStorageID newStorage,
                                     MtpObjectHandle handle, bool succeeded) {
     ALOGD("MockDatabase %s: oldParent=%u newParent=%u oldStorage=%u newStorage=%u "
           "ohandle=%u succeeded=%d\n",
           __func__, oldParent, newParent, oldStorage, newStorage, handle, succeeded);
     return;
 }

 MtpResponseCode MtpMockDatabase::beginCopyObject(MtpObjectHandle handle, MtpObjectHandle newParent,
                                                  MtpStorageID newStorage) {
     ALOGD("MockDatabase %s: ohandle=%u newParent=%u newStorage=%u\n", __func__, handle, newParent,
           newStorage);
     return MTP_RESPONSE_OK;
 }

 void MtpMockDatabase::endCopyObject(MtpObjectHandle handle, bool succeeded) {
     ALOGD("MockDatabase %s: ohandle=%u succeeded=%d\n", __func__, handle, succeeded);
 }

 }; // namespace android
	/*
	* Copyright (C) 2020 The Android Open Source Project
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	#include <stdlib.h>
	#include <string.h>
	#include <sys/stat.h>

	#include <string>

	#define LOG_TAG "MtpFuzzer"

	#include <log/log.h>

	#include "MtpDebug.h"
	#include "MtpMockDatabase.h"
	#include "MtpObjectInfo.h"

	namespace android {

	MtpMockDatabase::MtpMockDatabase() : mLastObjectHandle(0) {}

	MtpMockDatabase::~MtpMockDatabase() {
	for (MtpObjectInfo* i : mObjects) {
	delete i;
	}
	mObjects.clear();
	}

	void MtpMockDatabase::addObject(MtpObjectInfo* info) {
	assert(hasStorage(info->storageID));

	// we take ownership
	mObjects.push_back(info);

	return;
	}

	MtpObjectHandle MtpMockDatabase::allocateObjectHandle() {
	// this is in sync with our mObjects database
	return mLastObjectHandle++;
	}

	// Called from SendObjectInfo to reserve a database entry for the incoming file.
	MtpObjectHandle MtpMockDatabase::beginSendObject(const char* path, MtpObjectFormat format,
	MtpObjectHandle parent, MtpStorageID storage) {
	if (!hasStorage(storage)) {
	ALOGW("%s: Tried to lookup storageID %u, but doesn't exist\n", __func__, storage);
	return kInvalidObjectHandle;
	}

	ALOGD("MockDatabase %s: path=%s oformat=0x%04x parent_handle=%u "
	"storage_id=%u\n",
	__func__, path, format, parent, storage);

	return mLastObjectHandle;
	}

	// Called to report success or failure of the SendObject file transfer.
	void MtpMockDatabase::endSendObject(MtpObjectHandle handle, bool succeeded) {
	ALOGD("MockDatabase %s: ohandle=%u succeeded=%d\n", __func__, handle, succeeded);
	}

	// Called to rescan a file, such as after an edit.
	void MtpMockDatabase::rescanFile(const char* path, MtpObjectHandle handle, MtpObjectFormat format) {
	ALOGD("MockDatabase %s: path=%s ohandle=%u, oformat=0x%04x\n", __func__, path, handle, format);
	}

	MtpObjectHandleList* MtpMockDatabase::getObjectList(MtpStorageID storageID, MtpObjectFormat format,
	MtpObjectHandle parent) {
	ALOGD("MockDatabase %s: storage_id=%u oformat=0x%04x ohandle=%u\n", __func__, storageID, format,
	parent);
	return nullptr;
	}

	int MtpMockDatabase::getNumObjects(MtpStorageID storageID, MtpObjectFormat format,
	MtpObjectHandle parent) {
	ALOGD("MockDatabase %s: storage_id=%u oformat=0x%04x ohandle=%u\n", __func__, storageID, format,
	parent);
	// TODO: return MTP_RESPONSE_OK when it stops segfaulting
	return 0;
	}

	// callee should delete[] the results from these
	// results can be NULL
	MtpObjectFormatList* MtpMockDatabase::getSupportedPlaybackFormats() {
	ALOGD("MockDatabase %s\n", __func__);
	return nullptr;
	}
	MtpObjectFormatList* MtpMockDatabase::getSupportedCaptureFormats() {
	ALOGD("MockDatabase %s\n", __func__);
	return nullptr;
	}
	MtpObjectPropertyList* MtpMockDatabase::getSupportedObjectProperties(MtpObjectFormat format) {
	ALOGD("MockDatabase %s: oformat=0x%04x\n", __func__, format);
	return nullptr;
	}
	MtpDevicePropertyList* MtpMockDatabase::getSupportedDeviceProperties() {
	ALOGD("MockDatabase %s\n", __func__);
	return nullptr;
	}

	MtpResponseCode MtpMockDatabase::getObjectPropertyValue(MtpObjectHandle handle,
	MtpObjectProperty property,
	MtpDataPacket& packet) {
	ALOGD("MockDatabase %s: ohandle=%u property=%s\n", __func__, handle,
	MtpDebug::getObjectPropCodeName(property));
	return MTP_RESPONSE_OK;
	}

	MtpResponseCode MtpMockDatabase::setObjectPropertyValue(MtpObjectHandle handle,
	MtpObjectProperty property,
	MtpDataPacket& packet) {
	ALOGD("MockDatabase %s: ohandle=%u property=%s\n", __func__, handle,
	MtpDebug::getObjectPropCodeName(property));
	return MTP_RESPONSE_OK;
	}

	MtpResponseCode MtpMockDatabase::getDevicePropertyValue(MtpDeviceProperty property,
	MtpDataPacket& packet) {
	ALOGD("MockDatabase %s: property=%s\n", __func__, MtpDebug::getDevicePropCodeName(property));
	return MTP_RESPONSE_OK;
	}

	MtpResponseCode MtpMockDatabase::setDevicePropertyValue(MtpDeviceProperty property,
	MtpDataPacket& packet) {
	ALOGD("MockDatabase %s: property=%s\n", __func__, MtpDebug::getDevicePropCodeName(property));
	return MTP_RESPONSE_OK;
	}

	MtpResponseCode MtpMockDatabase::resetDeviceProperty(MtpDeviceProperty property) {
	ALOGD("MockDatabase %s: property=%s\n", __func__, MtpDebug::getDevicePropCodeName(property));
	return MTP_RESPONSE_OK;
	}

	MtpResponseCode MtpMockDatabase::getObjectPropertyList(MtpObjectHandle handle, uint32_t format,
	uint32_t property, int groupCode, int depth,
	MtpDataPacket& packet) {
	ALOGD("MockDatabase %s: ohandle=%u format=%s property=%s groupCode=%d "
	"depth=%d\n",
	__func__, handle, MtpDebug::getFormatCodeName(format),
	MtpDebug::getObjectPropCodeName(property), groupCode, depth);
	return MTP_RESPONSE_OK;
	}

	MtpResponseCode MtpMockDatabase::getObjectInfo(MtpObjectHandle handle, MtpObjectInfo& info) {
	ALOGD("MockDatabase %s: ohandle=%u\n", __func__, handle);

	// used for the root
	if (handle == kInvalidObjectHandle) {
	return MTP_RESPONSE_INVALID_OBJECT_HANDLE;
	} else {
	if (mObjects.size() == 0) {
	return MTP_RESPONSE_INVALID_OBJECT_HANDLE;
	}

	// this is used to let the fuzzer make progress, otherwise
	// it has to brute-force a 32-bit handle
	MtpObjectHandle reducedHandle = handle % mObjects.size();
	MtpObjectInfo* obj = mObjects[reducedHandle];

	// make a copy, but make sure to maintain ownership of string pointers
	info = *obj;

	// fixup the response handle
	info.mHandle = handle;

	if (obj->mName) info.mName = strdup(obj->mName);
	if (obj->mKeywords) info.mKeywords = strdup(obj->mKeywords);

	return MTP_RESPONSE_OK;
	}
	}

	void* MtpMockDatabase::getThumbnail(MtpObjectHandle handle, size_t& outThumbSize) {
	ALOGD("MockDatabase %s: ohandle=%u\n", __func__, handle);

	size_t allocSize = handle % 0x1000;
	void* data = calloc(allocSize, sizeof(uint8_t));
	if (!data) {
	return nullptr;
	} else {
	ALOGD("MockDatabase %s\n", __func__);
	outThumbSize = allocSize;
	return data;
	}
	}

	MtpResponseCode MtpMockDatabase::getObjectFilePath(MtpObjectHandle handle,
	MtpStringBuffer& outFilePath,
	int64_t& outFileLength,
	MtpObjectFormat& outFormat) {
	ALOGD("MockDatabase %s: ohandle=%u\n", __func__, handle);

	if (mObjects.size() == 0) {
	return MTP_RESPONSE_INVALID_OBJECT_HANDLE;
	}

	// this is used to let the fuzzer make progress, otherwise
	// it has to brute-force a 32-bit handle
	MtpObjectHandle reducedHandle = handle % mObjects.size();
	MtpObjectInfo* obj = mObjects[reducedHandle];
	MtpStorage* storage = mStorage[obj->mStorageID];

	// walk up the tree to build a full path of the object
	MtpObjectHandle currentHandle = reducedHandle;
	std::string path = "";

	while (currentHandle != MTP_PARENT_ROOT) {
	MtpObjectInfo* next = mObjects[currentHandle];

	// prepend the name
	if (path == "")
	path = std::string(next->mName);
	else
	path = std::string(next->mName) + "/" + path;

	currentHandle = next->mParent;
	}

	outFilePath.set(storage->getPath());
	outFilePath.append("/");
	outFilePath.append(path.c_str());

	outFormat = obj->mFormat;

	ALOGD("MockDatabase %s: get file %s\n", __func__, (const char*)outFilePath);

	struct stat sstat;
	// this should not happen unless our database view of the filesystem is out of
	// sync
	if (stat((const char*)outFilePath, &sstat) < 0) {
	ALOGE("MockDatabase %s: unable to stat %s\n", __func__, (const char*)outFilePath);

	return MTP_RESPONSE_INVALID_OBJECT_HANDLE;
	}

	outFileLength = sstat.st_size;

	return MTP_RESPONSE_OK;
	}

	int MtpMockDatabase::openFilePath(const char* path, bool transcode) {
	ALOGD("MockDatabase %s: filePath=%s transcode=%d\n", __func__, path, transcode);
	return 0;
	}

	MtpResponseCode MtpMockDatabase::beginDeleteObject(MtpObjectHandle handle) {
	ALOGD("MockDatabase %s: ohandle=%u\n", __func__, handle);
	return MTP_RESPONSE_OK;
	}
	void MtpMockDatabase::endDeleteObject(MtpObjectHandle handle, bool succeeded) {
	ALOGD("MockDatabase %s: ohandle=%u succeeded=%d\n", __func__, handle, succeeded);
	return;
	}

	MtpObjectHandleList* MtpMockDatabase::getObjectReferences(MtpObjectHandle handle) {
	ALOGD("MockDatabase %s: ohandle=%u\n", __func__, handle);
	return nullptr;
	}

	MtpResponseCode MtpMockDatabase::setObjectReferences(MtpObjectHandle handle,
	MtpObjectHandleList* references) {
	ALOGD("MockDatabase %s: ohandle=%u\n", __func__, handle);
	return MTP_RESPONSE_OK;
	}

	MtpProperty* MtpMockDatabase::getObjectPropertyDesc(MtpObjectProperty property,
	MtpObjectFormat format) {
	ALOGD("MockDatabase %s: property=%s format=%s\n", __func__,
	MtpDebug::getObjectPropCodeName(property), MtpDebug::getFormatCodeName(format));

	return nullptr;
	}

	MtpProperty* MtpMockDatabase::getDevicePropertyDesc(MtpDeviceProperty property) {
	ALOGD("MockDatabase %s: property=%s\n", __func__, MtpDebug::getDevicePropCodeName(property));
	return nullptr;
	}

	MtpResponseCode MtpMockDatabase::beginMoveObject(MtpObjectHandle handle, MtpObjectHandle newParent,
	MtpStorageID newStorage) {
	ALOGD("MockDatabase %s: ohandle=%u newParent=%u newStorage=%u\n", __func__, handle, newParent,
	newStorage);
	return MTP_RESPONSE_OK;
	}

	void MtpMockDatabase::endMoveObject(MtpObjectHandle oldParent, MtpObjectHandle newParent,
	MtpStorageID oldStorage, MtpStorageID newStorage,
	MtpObjectHandle handle, bool succeeded) {
	ALOGD("MockDatabase %s: oldParent=%u newParent=%u oldStorage=%u newStorage=%u "
	"ohandle=%u succeeded=%d\n",
	__func__, oldParent, newParent, oldStorage, newStorage, handle, succeeded);
	return;
	}

	MtpResponseCode MtpMockDatabase::beginCopyObject(MtpObjectHandle handle, MtpObjectHandle newParent,
	MtpStorageID newStorage) {
	ALOGD("MockDatabase %s: ohandle=%u newParent=%u newStorage=%u\n", __func__, handle, newParent,
	newStorage);
	return MTP_RESPONSE_OK;
	}

	void MtpMockDatabase::endCopyObject(MtpObjectHandle handle, bool succeeded) {
	ALOGD("MockDatabase %s: ohandle=%u succeeded=%d\n", __func__, handle, succeeded);
	}

	}; // namespace android